Adding Getting started to top-level page

doc/topics/manage_code.md

@@ -9,6 +9,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 
 Store your source files in a repository and create merge requests. Write, debug, and collaborate on code.
 
+- [Getting started](../user/get_started/get_started_managing_code.md)
 - [Repositories](../user/project/repository/index.md)
 - [Merge requests](../user/project/merge_requests/index.md)
 - [Remote development](../user/project/remote_development/index.md)